Pith Number

pith:XCWDI3IQ

pith:2009:XCWDI3IQVFJJR4DUFIIBVYZW64

not attested not anchored not stored refs pending

A scalable quantum computer with an ultranarrow optical transition of ultracold neutral atoms in an optical lattice

A. Yamaguchi, K. Shibata, S. Kato, S. Uetake, Y. Takahashi

arxiv:0904.4523 v1 · 2009-04-29 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XCWDI3IQVFJJR4DUFIIBVYZW64}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:13:49.352069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8ac346d10a95298f0742a101ae336f71918de818ad7e0ffa6c1766fb466df84

Aliases

arxiv: 0904.4523 · arxiv_version: 0904.4523v1 · doi: 10.48550/arxiv.0904.4523 · pith_short_12: XCWDI3IQVFJJ · pith_short_16: XCWDI3IQVFJJR4DU · pith_short_8: XCWDI3IQ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XCWDI3IQVFJJR4DUFIIBVYZW64 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b8ac346d10a95298f0742a101ae336f71918de818ad7e0ffa6c1766fb466df84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d87531514dce69c199bfc395fb991bb03f4deb4bc94bf80248d6bb8986c31ceb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-04-29T02:02:41Z",
    "title_canon_sha256": "59a76d6b6994e138e92e47fa01141e4740ed1e7e0b53ccadb1991c4d13af70a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4523",
    "kind": "arxiv",
    "version": 1
  }
}